Instruction/ maintenance manual of the product MAG Scag Power Equipment
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FROM SERIAL NUMBER 70001 TO 79999 OPERA TOR'S MANUAL P ART 03034 MAGNUM III MODEL MAG.
F AILURE TO FOLLOW SAFE OPERA TING PRACTICES MA Y RESUL T IN SERIOUS INJUR Y . * Keep all shields in place, especially the grass discharge chute. * Before performing any maintenance or service, stop the machine and remove the spark plug wire and ignition key .
1 GENERAL INFORMA TION 1.1 INTRODUCTION Y our mower was built to highest standards in the industry . However , the prolonged life and maximum ef ficiency of your mower depend on you following the operating, maintenance and adjustment instructions in this manual.
2 SAFETY INFORMA TION 2.1 INTRODUCTION Y our mower is only as safe as the operator . Carelessness or operator error may result in serious bodily injury or death.
3 Section 2 WARNING: This machine is equipped with an interlock system intended to protect the operator and others from injury . This is accomplished by preventing the engine from starting unless the parking brake is applied and the blades are disengaged.
4 Section 2 9. DO NOT t urn sharpl y . Use care when backing up. 10.Use counterweights or wheel weights when suggested in this manual. 1 1.W atch for traffic when crossing roads or operating near roadways . 12.Mow only in daylight or good artificial light.
5 Section 2 WARNING INSTALL BELT COVER BEFORE OPERATING MACHINE READ OPERATOR'S MANUAL 481039 ROTATING BLADES AND BELTS WARNING KEEP HANDS, FEET & CLOTHING CLEAR KEEP ALL GUARDS IN PLACE SHUT.
6 SPECIFICA TIONS Section 3 3.1 ENGINE General T y p e ............................................................................. Heavy Duty Industrial/Commercial Diesel Br and .......................................................................
7 Section 3 3.3 TRACTOR (CONT'D) Se at ............................................................................................ M ilsco Seat W ith Adjustment Lever For Forward and Back Movement T ravel Speed: Forward .........................
8 OPERA TING INSTRUCTIONS Do not attempt to drive this mower unless you have read this manual. Learn the location and purpose of all controls and instruments before you operate this mower . Do not hold the key in the ST AR T position longer than 15 seconds.
9 5. T emperatur e Gau ge : Indicates engine coolant temperatures. Green zone indicates proper working temperature. Red zone indicates engine over heating and the engine should be shut off immediately . 6. Fuel Gauge: Indicates the amount of fuel in the fuel tank.
10 Left Foot Parking Mower En gine Lifted From Brake Blade Operates Interlock Brake Pedal T e st Y es No O n Of f On Of f Y es No 1 - X X X X 2 X X X X 3 - X X X X 4 X X X X 5 X X X X 4.
11 4.4 DIESEL ENGINE BREAK-IN The proper break-in of a new diesel engine can make a di f ference in the performance and life of the engine. Perform the following break-in procedure during the first 50 hours of operation: 1. A new engine should be operated with as near full load as possible.
12 B. Seat Adjustment 1. Pull the handle on the left side of seat (Figure 4-5) and move the seat either forward or back. 2. Release the handle to lock the position. 1. T o travel forward, depress the right foot pedal at the toe. (See Figure 4-6). The further the pedal is de- pressed the faster the mower will travel forward.
13 3. Check that all systems function correctly . 4. When traveling, the throttle control can be adjusted to increase or decrease travel speed. 5. Reduce speed when turning around trees, shrubs, etc. 3. Always operate the engine at full throttle to properly maintain cutting speeds.
14 Figure 4-8 Proper Operation on Slope Figure 4-9 Improper Operation on Slope 4.10 ST OPPING 1. Slow engine speed to idle. 2. Place the right foot pedal in the center (neutral) position.
15 Figure 4-10 Dump V alve Handle 4.13 RECOMMENDA TIONS FOR MOWING 1. Keep the mower deck and dischar ge chute clean. 2. Mow with sharp blades. A dull blade will tear grass, resulting in poor lawn appearance and takes extra power (slow mowing speed). 3.
16 Figure 4-1 1 Mower Cutting Height Gauge 4.15 TIL TING THE MOWER DECK 1. Stop the traveling movement of the mower and engage the blade brake. 2. Use the deck tilt control switch on the instrument panel to raise the deck. 3. Before lowering the deck, observe that there are no objects under the deck.
17 Width of Deck SGB018 CONDITION CAUSE CURE Width of Deck SGB020 Width of Deck Width of Deck SGB019 Streaking - Strips of Not enough overlapping Increase the overlap of each Uncut Grass Between betwe.
18 CONDITION TROUBLESHOOTING CAUSE CURE Sloping Ridge Across Tire pressures not equal Check and adjust tire pressure Width of Cutting Path Wheels uneven Check and adjust tire pressure Deck mounted inc.
19 Scalping - Blades Low tire pressures Check and adjust pressures Hitting Dirt or Cutting Very Close to Ground speed too fast Slow speed to adjust for conditions the Ground Cutting too low May need t.
20 6.1 P ARKING BRAKE ADJUSTMENT The parking brake linkage should be adjusted whenever the parking brake lever is placed in the Engage position and the parking brake will not hold the mower from moving.
21 Figure 6-2 Throttle Control Adjustment 6.4 CUTTER BRAKE LINKAGE The cutter brake linkage is self-adjusting. If the brake will not hold the cutter blades from turning, consult your Scag dea ler . Do not operate the mower if the cutter brake is not functioning properly .
22 3. After proper tension is obtained, tighten the two bolts and install the pump belt guard. 6.6 PUMP DRIVE BEL T ADJUSTMENT T o adjust belt tension, turn the adjusting nut (Figure 6-1) until 1/2 inch deflection in belt is obtained with 10 pounds of pressure.
23 6.10 BEL T ALIGNMENT Belt alignment is important for proper performance of your Scag mower . If you experience frequent belt wear or breakage, see your authorized Scag service dealer for belt adjustment. 6.1 1 CUTTER DECK ADJUSTMENTS Due to many conditions that exist, it is dif ficult to suggest a setting that will work for every lawn.
24 24 2. T urn the adjusting rods counter-clockwise to lower the front of the deck and clockwise to raise the front of the deck. When a difference of 1/4 inch from front to rear is obtained on left and right, tighten both jam nuts. Figure 6-10 Adjusting Deck Pitch 6.
40 1 2 3 4 5 38 2 1 3 4 1 3 2 4 5 39 7 8 9 10 11 12 13 14 15 16 17 9 19 18 24 34 33 31 35 36 32 65 16 27 6 40 37 24 64 42 43 44 45 46 47 48 49 50 51 52 41 53 2 54 55 56 56 55 54 2 41 53 41 59 60 61 62.
41 Ref. Part. Mag Mag No. Number Description 61 72 1 04020-09 Nut, Hex, 5/8-11 X X 2 43278 Spacer , Cutter Blade X X 3 04001-01 Bolt, Hex Head, 1/4-20 x 3/4 Gr . 5 X X 4 48926 T aper Hub, 1.125 Bore X X 5 48924 Pulley , 5.75 Dia. X X 6 48753 Pulley , 6.
42 50 67 39 5 6 7 8 9 10 11 12 11 12 13 75 52 67 23 39 55 56 56 53 39 54 5 15 5 16 3 17 18 8 24 11 21 19 20 21 22 23 73 17 12 12 12 10 11 12 13 38 26 23 26 36 22 37 39 44 59 60 43 57 49 47 48 44 47 52.
43 Ref. Part Mag Ma g No. Number Description 61 72 1 45733 Co ver , Belt X X 2 04029-03 Wingnut, Plastic, 3/8-16 X X 3 04001-52 Bolt, Hex Head, 1/2-13 x 2-1/2 X X 4 481195 Actuator , Deck Lift X X 5 04019-06 Serr . Fl. Hex Nut, 1/2-13 X X 6 04050-05 Retaining Ring, 1.
44 1 2 3 4 4 5 6 9 10 10 11 12 13 14 35 36 15 16 17 18 18 19 20 21 390S0113 23 24 26 25 27 28 22 16 39 41 38 33 32 31 37 34 40 30 29 42 46 43 44 45 48 48 49 50 54 52 53 47 57 41 46 51 46 8 7 38 55 3 5.
45 Ref. Part No. Number Description 1 46029 Handle, Steering (Includes 2) 2 48159 Handle Grip 3 04021-10 Hex Locknut, Elastic Stop, 5/16-18 4 04040-15 Flatwasher , 5/16 (.
46 1 37 2 3 4 5 17 6 8 9 38 10 11 12 13 16 15 17 18 14 14 19 20 21 24 25 26 28 27 31 390S0114 32 33 34 30 15 54 44 43 17 42 41 37 40 37 36 19 35 17 56 47 46 48 50 37 18 14 45 17 16 49 51 52 53 51 57 7.
47 ENGINE DECK Ref. Part No. Number Description 36 04001-28 Bolt, Hex Head, 7/16-14 x 1-1/4 37 04003-12 Carriage Bolt, 5/16-18 x 3/4 38 43394 Stud, Metric 39 48205 Pad, Rubber 40 04021-10 Nex Locknut,.
48 1 2 3 4 6 7 30 8 9 10 11 12 13 14 15 16 17 18 16 19 2 20 21 22 23 24 11 2 23 24 25 26 RADIATOR/OIL COOLER 390S0115 52 8 27 31 29.
49 RADIA T OR/OILCOOLER Ref. Part No. Number Description 1 481207 Hose, Upper Radiator 2 48136-06 Clamp, Hose 3 45783 Shroud, Fan 4 04019-03 Serr. Fl. He x Nut, 5/16-18 5 * T ank, Coolant Overflow 6 422192 Mounting Brack et, Coolant T an k 7 04003-12 Carrage Bolt, 5/16-18 x .
50 1 3 4 5 6 7 8 MUFFLER AND AIR CLEANER 2 1 390S0116 9 10 11 17 18 15 16 14 14 15 12 15 15 13 19 20.
51 Ref. Part No. Number Description 1 48136-08 Hose Clamp 2 481191 Hose, Air Intake 3 481333 Cap. Precleaner 4 04100-03 U-Bolt 5 481192 Air Cleaner 6 421981 Mounting Brack et, Air Cleaner 7 04030-03 L ock w asher , 5/16 8 04020-03 Nut, Hex, 5/16-18 9 * Gasket, Manifold 10 481340 Adapter , Manifold 1 1 04015-07 C apscrew , Socket Head, M8-1.
52 1 2 3 4 5 6 7 8 9 10 11 12 13 8 14 15 16 27 30 26 46 33 50 32 50 9 45 34 35 36 37 29 38 39 40 41 42 48 24 43 24 47 18 27 28 28 19 20 23 22 21 23 51 31 44 46 49 17 25 DECK DRIVE SYSTEM 390S0117.
53 Ref. Part No. Number Description 1 04001-101 Bolt, Hex Head, 7/16-20 x 2-1/2 2 04030-05 L ock w asher , 7/16 3 481204 Clutch, Electric 4 481104 Belt, Deck Drive 5 46827 Spindle, Deck Drive (Includes 6 thru 16) 6 43321 Shaft, Deck Drive 7 481024 Seal, 2.
54 49 30 31 8 7 7 8 32 21 40 41 42 43 33 44 4 6 7 8 9 10 11 12 7 8 7 14 15 17 11 17 7 8 29 19 23 25 26 27 28 34 35 36 37 38 39 47 46 45 48 1 2 3 4 5 3 18 49 50 13 8 P ART OF ENGINE 7 10 8 7 PUMP AND F.
55 Ref. Part No. Number Description 28 481114 Belt, Fan Drive 29 45713 Upright, Fan Support - RH 30 45307 Base, Idler Pivot - Pump 31 44107 Rod, J-Hook 32 43282 Spacer , J Pull Rod 33 48114-04 Grease Fitting 34 48761 T aper Hub, .75 Bore 35 48790 Pulley , Pump, 5.
56 1 2 3 4 6 7 8 9 10 11 12 5 9 13 14 15 16 9 18 17 19 20 21 22 23 18 24 25 11 12 26 20 21 29 15 20 19 32 29 20 21 12 11 12 11 21 31 9 30 28 33 27 9 25 11 12 INSTRUMENT PANEL 16 20 19 390S0119.
57 INSTRUMENT P ANEL Ref. Page No. Number Description 1 48023 Hourmeter 2 481183 Gauge , Water T emperature 3 481306 Gauge, Fuel Level 4 481184 V oltmeter 5 46873 Instrument Panel with Decal 6 42413 B.
58 1 2 3 4 5 6 7 8 9 10 11 12 13 11 2 15 15 14 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 18 34 33 32 WIRING HARNESS AND ELECTRICAL COMPONENTS 390S0120.
59 Ref. Page No. Number Description 1 481216 Actuator , Cutting Height 2 481185 Wire Harness 3 481182 Indicator Light, Oil Pressure 4 48023 Hourmeter 5 481183 Gauge , Water T emperature 6 481306 Gauge.
60 1 2 3 4 5 2 6 7 9 8 17 10 11 14 11 13 14 16 13 16 19 20 21 37 34 14 33 21 22 25 18 15 38 24 36 25 40 41 27 24 28 21 32 11 26 27 14 21 11 41 30 31 6 35 12 14 39 39 25 25 23 29 40 40 40 CUTTER BRAKE .
61 CUTTER BRAKE LINKAGE Ref. Part No. Number Description 1 04041-08 Flatwasher , 3/4 (.766 x 1.250 x .060) 04041-08S Flatwasher , 3/4 (.766 x 1.250 x .035) 2 04050-02 Retaining Ring - .75 Ext 3 45702 Leve r , Clutch Engage 4 04021-10 Hex Locknut, Elastic Stop, 5/16-18 5 481163 Spring, Clutch Lever 6 04019-03 Serr.
62 P ARKING BRAKE LINKA GE 1 2 3 4 5 6 29 8 11 10 8 7 4 9 12 6 13 14 15 16 17 16 18 14 6 19 3 5 20 21 22 23 24 25 12 24 23 22 21 20 20 26 27 28 MAG008 30 6 8 7 6 31 32 4 3 33 16 24 16 8 6 34 35.
63 Ref. Part No. Number Description 1 48093 Grip, Handle 2 45716 Leve r , Bra ke 3 48114-04 Grease Fitting 4 04050-01 Retaining Ring, .625 Ext 5 04020-05 Hex Locknut, Elastic Stop, 3/8-16 6 04041-07 W asher, Flat, 3/8 (.
64 1 2 3 4 7 5 6 8 30 7 23 26 27 34 9 35 10 11 29 18 12 13 25 38 17 23 26 27 30 36 14 39 16 17 18 19 20 21 23 19 24 22 21 31 28 37 33 28 32 15 THROTTLE LINKAGE 390S0123.
65 THROTTLE LINKAGE Ref. Part No. Number Description 1 04003-02 Carriage Bolt, 1/4-20 x .75 2 421776 Mounting Base, Throttle 3 04019-02 Serr . Fl. He x Nut, 1/4-20 4 04001-13 Bolt, Hex Head, 5/16-18 x 2-3/4 5 46877 L ever , Throttle (Includes 6, 7) 6 48114-05 Grease Fitting 7 48100-04 Bushing, Oilite - .
66 1 2 3 4 5 4 6 4 7 8 9 10 2 1 16 10 11 12 13 12 14 15 3 18 17 20 19 21 12 22 24 FORWARD/REVERSE LINKAGE 390S0124.
67 FOR W ARD/REVERSE LINKA GE Ref. Part No. Number Description 1 04021-09 Hex Locknut, Elastic Stop, 3/8-16 2 48544 Ball Joint, 3/8-24 LH Thread 3 04041-07 Flatwasher , 3/8 (.
68 1 2 23 27 8 3 56 7 9 10 9 31 4 16 15 16 16 15 17 16 13 18 16 15 19 16 21 16 15 22 14 20 16 23 24 25 26 14 11 16 16 15 FUEL TANK AND LINES 390S0125 29 28 30.
69 * A vailable only from the engine manuf acturer. ** When ordering fuel line hose, specify the length required. FUEL T ANK AND LINES Ref. Part No. Number Description 1 46933 Fuel T ank (Includes 2, 3, 4) 2 481313 Fitting, Return Line 3 481304 Sender Unit, Fuel Level (Includes Gasket and Screws) 4 481312 Fitting, Hose 5 04017-16 Serr.
70 23 24 25 1 2 3 4 2 2 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 31 26 2 27 6 13 6 13 6 17 6 28 2 29 30 390S0126 6 HYDRAULIC CIRCUITS 16.
71 HYDRAULIC CIRCUITS Ref. Part No. Number Description 1 481292 Hose, Pump to Oil Cooler, 5/8 Hose Barb 2 48136-04 Clamp, Hose 3 481301-01 Elbow , 90°, 4 481202 Hose, Oil Cooler to Reser v oir , 5/8 .
72 ENGINE CONTROL P ANEL W A TER TEMPERA TURE SENDER AL TERNA T OR *OIL PRESSURE SENDER FUEL SENDER *HOURMETER *FUEL GA UGE *V OL TMETER FUSE HOLDER *GLO W PLUG TIMER *SYNCHO-ST ART RELA Y *IGNITION S.
73 Ref. Part No. Number Description 1 48071 Decal, Danger - Spinning Blades 2 481040 Decal, W arning - Rotating Blades 3 481326 Decal, Magnum III 4 48072 Decal, Heavy Duty Commercial 5 481039 Decal, W arning - Belt Cover 6 48404 Decal, Metalcraft - Made In USA 7A 481355 Decal, Scag Logo - 12" x 4.
74 GREASE FITTING LUBRICA TION CHART LUBRICA TION NO. OF LOCA TION INTER V A L LUBRICANT PLACES 1. Cutter Drive Spindle 40 Hours/Weekly +Lithium MP White Grease 2125 1 2. Cutter Deck Spindles 40 Hours/Weekly +Lithium MP White Grease 2125 3 3. Caster Wheel Bearing 100 Hours/Bi-Monthly Chassis Grease 2 4.
75.
76 SPECIFICA TIONS ENGINE General T ype ............................................................................. Heavy Duty Industrial/Commercial Diesel Brand .......................................................................................
77 TRA CT OR (CONT'D) Seat ............................................................................................ Milsco Seat W ith Adjustment Lever For Forward and Back Movement T ravel Speed: Forward ......................................
If incorrectly used, this machine can cause severe injury. Those who use and maintain the machine should be trained in its proper use, warned of its dangers, and should read the entire manual before attempting to set up, operate, adjust or service the machine.
P ART NO. 03034 PRINTED 10/96 PRINTED IN USA © 1996 SCAG POWER EQUIPMENT DIVISION OF MET ALCRAFT OF MA YVILLE, INC..
An important point after buying a device Scag Power Equipment MAG (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Scag Power Equipment MAG yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Scag Power Equipment MAG - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Scag Power Equipment MAG you will learn all the available features of the product, as well as information on its operation. The information that you get Scag Power Equipment MAG will certainly help you make a decision on the purchase.
If you already are a holder of Scag Power Equipment MAG, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Scag Power Equipment MAG.
However, one of the most important roles played by the user manual is to help in solving problems with Scag Power Equipment MAG. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Scag Power Equipment MAG along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
